Railway Engineering Quiz | Railway Engineering Short Questions and Answers

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Questions
41 The limiting value of cant deficiency for Meter Gauge routes is
A 40 mm
B 50 mm
C 75 mm
D 100 mm

Answer: 50 mm
42 Vertical curves are provided where algebraic difference between grades is equal to or
A less than 2 mm/m
B more than 2 mm/m
C less than 4 mm/m
D more than 4mm/m

Answer: more than 4mm/m
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43 Normally the limiting value of cant is
A G/8
B G/10
C G/12
D G/15

Answer: G/10
44 The limiting value of cant gradient for all gauges is
A 1 in 360
B 1 in 720
C 1 in 1000
D 1 in 1200

Answer: 1 in 720
45 The limiting value of cant excess for Broad Gauge is
A 55 mm
B 65 mm
C 75 mm
D l00 mm

Answer: 75 mm
46 The desirable rate of change of cant deficiency in case of Metre Gauge is
A 20 mm/sec
B 35 mm/sec
C 55 mm/sec
D 65 mm/sec

Answer: 35 mm/sec
47 Pandrol clips cannot be used with
A wooden sleepers
B concrete sleepers
C CST-9 sleepers
D steel trough sleepers

Answer: CST-9 sleepers
48 Number of cotters used in CST-9 sleepers is
A 2
B 3
C 4
D 5

Answer: 4
49 Loose jaws of steel trough sleepers are made of
A cast steel
B mild steel
C cast iron
D spring steel

Answer: spring steel
50 Number of keys used in CST-9 sleeper is
A 2
B 3
C 4
D none of the above

Answer: 2
51 The sleepers resting directly on girder are fastened to the top flange of girder by
A hook bolts
B dog spikes
C fang bolts
D rail screws

Answer: hook bolts
52 The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
A dog spike
B rail screw
C elastic spike
D round spike

Answer: round spike
53 Width of ballast section for Broad Gauge is
A 1.83 m
B 2.25 m
C 3.35 m
D 4.30 m

Answer: 3.35 m
54 At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is
A 51
B 62
C 70
D 78

Answer: 70
55 The nominal size of ballast used for points and crossings is
A 25 mm
B 40 mm
C 50 mm
D 10mm

Answer: 25 mm
56 Flat mild steel bearing plates are used
A for points and crossings in the lead portion
B with wooden sleepers at locations where creep is likely to be developed
C on all joints and curves
D on all the above

Answer: for points and crossings in the lead portion
57 The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is
A 1 in 250
B 1 in 222
C 1 in 235
D 1 in 275

Answer: 1 in 250
58 Normally maximum cant permissible in Meter Gauge is
A 75 mm
B 90 mm
C 140 mm
D 165 mm

Answer: 90 mm
59 Cant deficiency occurs when a vehicle travels around a curve at
A equilibrium speed
B speeds higher than equilibrium speed
C speeds lower than equilibrium speed
D booked speed

Answer: speeds higher than equilibrium speed
60 The compensation for curvature on gradient for Meter Gauge is given by where R is radius of curve.
A 70/R
B 52.5/R
C 35/R
D 105/R

Answer: 52.5/R

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